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27806211332 = 2214973363649
BaseRepresentation
bin11001111001011000…
…010001110100000100
32122202212021220001222
4121321120101310010
5423421342230312
620435103335512
72003030616344
oct317130216404
978685256058
1027806211332
1110879977149
1254802b1598
132811a299b3
1414bad46d24
15acb237672
hex679611d04

27806211332 has 24 divisors (see below), whose sum is σ = 49055055000. Its totient is φ = 13790739456.

The previous prime is 27806211319. The next prime is 27806211343. The reversal of 27806211332 is 23311260872.

It can be written as a sum of positive squares in 4 ways, for example, as 3014449216 + 24791762116 = 54904^2 + 157454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27806211292 and 27806211301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405044 + ... + 468692.

It is an arithmetic number, because the mean of its divisors is an integer number (2043960625).

Almost surely, 227806211332 is an apocalyptic number.

It is an amenable number.

27806211332 is a deficient number, since it is larger than the sum of its proper divisors (21248843668).

27806211332 is a wasteful number, since it uses less digits than its factorization.

27806211332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64535 (or 64533 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 27806211332 in words is "twenty-seven billion, eight hundred six million, two hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 149 298 596 733 1466 2932 63649 109217 127298 218434 254596 436868 9483701 18967402 37934804 46654717 93309434 186618868 6951552833 13903105666 27806211332